In-depth engineering analysis: Profiling Linux kernel lock contention with perf lock and FlameGraphs. Practical diagnostics, logs and production configuration.

In-depth engineering analysis: Refactoring 15-year old Perl and Bash deployment glue into single static Go binary. Practical diagnostics, logs and production configuration.

In-depth engineering analysis: systemd cgroups v2: practical differences between MemoryHigh and MemoryMax in production. Practical diagnostics, logs and production configuration.

In-depth engineering analysis: Building a blazing fast CLI in Rust: clap, mimalloc and terminal ergonomics. Practical diagnostics, logs and production configuration.

In-depth engineering analysis: PostgreSQL performance cliff caused by Transparent Huge Pages (THP). Practical diagnostics, logs and production configuration.

In-depth engineering analysis: Silent data corruption in legacy C daemon: struct packing alignment and x86-64 ABI mismatch. Practical diagnostics, logs and production configuration.

In-depth engineering analysis: Tuning Linux io_uring for async NVMe database storage engine: eliminating syscall overhead. Practical diagnostics, logs and production configuration.

In-depth engineering analysis: Redis Cluster slot migration deadlock during transient network partition. Practical diagnostics, logs and production configuration.

In-depth engineering analysis: Replacing monolithic Jenkins with lightweight local runners: 5x faster pipeline execution. Practical diagnostics, logs and production configuration.

In-depth engineering analysis: TCP BBR vs CUBIC throughput benchmarks on transatlantic lossy links with 2% packet loss. Practical diagnostics, logs and production configuration.